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- W2808990033 abstract "Since the turn of the century, hundreds of image watermarking algorithms based on histogram features have been reported. However, all the existing watermark embedding was based on binary embedding, and they only store two situations on two continuous bins, i.e., {0,1}. In this paper, we improve the existing embedding algorithms and propose a novel high-capacity watermarking algorithm by using two bins histogram modification. The new algorithm is based on the ternary numeral system, and watermark information is divided into three cases {0,1,2}. Specifically, we extract the histogram of the cover image first, then select the appropriate embedding range by two predefined thresholds, and last form the bin groups contained reasonable number of pixels. In the generation of watermark, we transfer the watermark information into a digital string w=w_1 w_2... w_t, w_iIµ(0,1,2),i=1,2,...,t. In the embedding algorithm, if w_i=2, we will adjust the height of two continuous bins, and let b'/a'≥ T; if w_i=1, let a'/b'≥ T; if w_i=0, let |a'-b'|≤1, here a' and b' represent the height of the front and back bin, and T is the threshold. Experimental results show that the embedding capacity of the proposed watermarking algorithm is 60% higher than that of the existing algorithm. In addition, the new scheme can resist traditional geometric attacks." @default.
- W2808990033 created "2018-06-29" @default.
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- W2808990033 date "2018-07-01" @default.
- W2808990033 modified "2023-09-25" @default.
- W2808990033 title "A high-Capacity Watermarking Algorithm Using two Bins Histogram Modification" @default.
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- W2808990033 doi "https://doi.org/10.1109/compsac.2018.10262" @default.
- W2808990033 hasPublicationYear "2018" @default.
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